This is a clever Spartan build. In order to create a radio beacon for use in a “fox hunt” [Jim] combined a SR-T300 walkie talkie module with a phototransistor and oscillating LED circuit.

This is a clever Spartan build. In order to create a radio beacon for use in a “fox hunt” [Jim] combined a SR-T300 walkie talkie module with a phototransistor and oscillating LED circuit.

For more than five decades, members of the Valencia County Amateur Radio Association have participated in the annual ham ...

The GXT1000VP4 GMRS walkie talkie is a powerful and consistent choice for your radio communication needs. The GXT1000VP4 features X-TRA TALK Power – the maximum allowed by law with Xtreme Range ...